Index to Volume XII 



Abraham, L. C, Toll Transmission, page 517. 



Articulation Testing, Developments in the Application of, T. G. Castner and C. W. 



Carter, Jr., page 347. 

 Atmospherics, Audio Frequency, E. T. Burton and E. M. Boardman, page 498. 

 Audio Frequency Atmospherics, E. T. Burton and E. M. Boardman, page 498. 



B 



Bennett, W. R., New Results in the Calculation of Modulation Products, page 228. 

 Best, F. H., A Recording Transmission Measuring System for Telephone Circuit 



Testing, page 22. 

 Boardman, E. M. and E. T. Burton, Audio Frequency Atmospherics, page 498. 

 Bridge Methods of Measuring Impedances, Classification of, John G. Ferguson, 



page 452. 

 Burrows, C. R., E. B. Ferrell and J. C. Schelleng, Ultra-Short Wave Propagation, 



page 125. 

 Burton, E. T. and E. M. Boardman, Audio Frequency Atmospherics, page 498. 



Cable, Carrier in, A. B. Clark and B. W. Kendall, page 251. 



Cables, Telephone, Pulp Insulation for, H. G. Walker and L. S. Ford, page 1. 



Carrier in Cable, A. B. Clark and B. W. Kendall, page 251. 



Carter, C. W. and T. G. Castner, Developments in the Application of Articulation 



Testing, page 347. 

 Castner, T. G. and C. W. Carter, Jr., Developments in the Application of Articulation 



Testing, page 347. 

 Clark, A. B. and B. W. Kendall, Carrier in Cable, page 251. 

 Contemporary Advances in Physics, XXV— High-Frequency Phenomena in Gases, 



Second Part, Karl K. Darrow, page 91. 

 Contemporary Advances in Physics, XXVI— The Nucleus, First Part, Karl K. 



Darrow, page 288. 

 Cotton, Effect of Atmospheric Humidity and Temperature on the Relation between 



Moisture Content and Electrical Conductivity of, A. C. Walker, page 431. 

 Crawford, A. B., W. W. Mumford and C. R. Englund, Some Results of a Study of 



Ultra-Short Wave Transmission Phenomena, page 197. 

 Curtis, A. M., An Oscillograph for Ten Thousand Cycles, page 76, 



Darrow, Karl K., Contemporary Advances in Physics, XXV— High-Frequency 



Phenomena in Gases, Second Part, page 91. 

 Contemporary Advances in Physics, XXVI— The Nucleus, First Part, page 288. 

 Davis, R. F. and H. R. Huntley, Some Theoretical and Practical Aspects of Noise 



Induction, page 469. 



E 



Emling, J. W. and F. W. McKown, A System of Effective Transmission Data for 



Rating Telephone Circuits, page 331. 

 Englund, C. R., A. B. Crawford and W. W. Mumford, Some Results of a Study ot 



Ultra-Short Wave Transmission Phenomena, page 197. 



